68944566711 has 64 divisors (see below), whose sum is σ = 100174823424. Its totient is φ = 42052348800.

The previous prime is 68944566709. The next prime is 68944566727. The reversal of 68944566711 is 11766544986.

It is not a de Polignac number, because 68944566711 - 2¹ = 68944566709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68944566701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78079476 + ... + 78080358.

It is an arithmetic number, because the mean of its divisors is an integer number (1565231616).

Almost surely, 2^68944566711 is an apocalyptic number.

68944566711 is a deficient number, since it is larger than the sum of its proper divisors (31230256713).

68944566711 is a wasteful number, since it uses less digits than its factorization.

68944566711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 8709120, while the sum is 57.

The spelling of 68944566711 in words is "sixty-eight billion, nine hundred forty-four million, five hundred sixty-six thousand, seven hundred eleven".